报错信息显示36行错误，请老师帮忙看看是什么错误
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8" import="java.util.*,com.imooc.bean.*"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>菜品信息展示</title>
<style type="text/css">
</style>
</head>
<body>
<%
String foodname = "";
if (session.getAttribute("foodname") != null) {
foodname=(String) session.getAttribute("foodname");
}
%>
<center>
<h1>菜品查询</h1>
<table border="1px" cellspacing="0px" cellpadding="0px" width="800px">
<thead>
<tr>
<th>菜品ID</th>
<th>菜名</th>
<th>口味</th>
<th>菜品图片</th>
<th>价格</th>
<th>菜品描述</th>
</tr>
</thead>
<tbody>
<%List<Food> foodlist=(List<Food>)request.getAttribute("foodlist");
for(Food food:foodlist){
Object id=food.getFoodid();
Object name=food.getFoodname();
Object taste=food.getFoodtaste();
String filepath=food.getPath();
Object price=food.getPrice();
Object describe=food.getDescribe();
%>
<tr>
<td><%=id %></td>
<td><%=name %></td>
<td><%=taste %></td>
<td><%=filepath %></td>
<td><%=price %></td>
<td><%=describe %></td>
</tr>
<%} %>
</tbody>
</table>
</center>
</body>
</html>package com.imooc.servlet;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import com.imooc.bean.Food;
import com.imooc.utils.UploadUtils;
@WebServlet("/ManageServlet")
public class ManageServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
//数据的接收，文件上传基本操作
//创建一个磁盘文件项工厂对象
DiskFileItemFactory diskfileitemfactory=new DiskFileItemFactory();
//创建一个核心解析类
ServletFileUpload servletfileupload=new ServletFileUpload(diskfileitemfactory);
//解析request请求，返回List集合,list集合中存放FileItem对象
List<FileItem> list=servletfileupload.parseRequest(request);
//封装数据完成基本的上传功能，定义一个Map集合，用于保存接收到的数据
Map<String,String> map=new HashMap<String,String>();
String url=null;
//遍历集合，获得每个FileItem，判断是表单项还是文件上传项
for(FileItem fileItem:list) {
if(fileItem.isFormField()) {
//获得表单项name值
String name=fileItem.getFieldName();
//获得表单项value值
String value=fileItem.getString("UTF-8");
System.out.println(name+" "+value);
//接收复选框参数
//定义一个List集合保存口味
List<String> foodtastelist=new ArrayList<String>();
if("foodtaste".equals(name)) {
String foodtastevalue=fileItem.getString("UTF-8");
//接收到一个值，将这个值存入到foodtastelist中
foodtastelist.add(foodtastevalue);
foodtastevalue=foodtastelist.toString().substring(1,foodtastelist.toString().length()-1);
System.out.println(name+" "+foodtastevalue);
//将口味的数据存入到Map集合中
map.put(name, foodtastevalue);
}else {
map.put(name, value);
}
}else {
//文件上传项，文件上传功能，获得文件上传名称
String fileName=fileItem.getName();
if(fileName!=null&&!"".equals(fileName)) {
//通过工具类获取唯一文件名
String uuidFilename=UploadUtils.getUUIDFileName(fileName);
//获得文件上传的数据
InputStream is=fileItem.getInputStream();
//获得文件上传的路径
String path=this.getServletContext().getRealPath("/upload");
//将输入流对接到输出流
url=path+"\\"+uuidFilename;
OutputStream os=new FileOutputStream(url);
int len=0;
byte[] b=new byte[1024];
while((len=is.read(b))!=-1) {
os.write(b, 0, len);
}
is.close();
os.close();
}
}
}
System.out.println(map);
//将菜品信息存入到List集合中，首先获得ServletConText对象
List<Food> foodlist=(List<Food>) this.getServletContext().getAttribute("list");
//检查菜品是否存在
for(Food f:foodlist) {
if(f.getFoodname().equals(map.get("foodname"))) {
request.setAttribute("msg", "该菜品已存在！");
//跳转
request.getRequestDispatcher("/addFood.jsp").forward(request, response);
}
}
//封装数据到Food当中
Food food=new Food();
food.setFoodid(map.get("foodid"));
food.setFoodname(map.get("foodname"));
food.setFoodtaste(map.get("foodtaste"));
food.setPrice(map.get("price"));
food.setDescribe(map.get("describe"));
food.setPath(url);
foodlist.add(food);
for(Food f:foodlist) {
System.out.println(f);
}
this.getServletContext().setAttribute("list", foodlist);
//菜品添加成功，跳转到显示界面
request.getSession().setAttribute("foodname", food.getFoodname());
response.sendRedirect(request.getContextPath()+"/showFoodList.jsp");
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}package com.imooc.bean;
/*
* 菜品类
*/
public class Food {
private String foodid;
private String foodname;
private String foodtaste;
private String price;
private String describe;
private String path;
public Food() {
}
public Food(String foodid, String foodname, String foodtaste, String price, String describe, String path) {
super();
this.foodid = foodid;
this.foodname = foodname;
this.foodtaste = foodtaste;
this.price = price;
this.describe = describe;
this.path = path;
}
public String getFoodid() {
return foodid;
}
public void setFoodid(String foodid) {
this.foodid = foodid;
}
public String getFoodname() {
return foodname;
}
public void setFoodname(String foodname) {
this.foodname = foodname;
}
public String getFoodtaste() {
return foodtaste;
}
public void setFoodtaste(String foodtaste) {
this.foodtaste = foodtaste;
}
public String getPrice() {
return price;
}
public void setPrice(String price) {
this.price = price;
}
public String getDescribe() {
return describe;
}
public void setDescribe(String describe) {
this.describe = describe;
}
public String getPath() {
return path;
}
public void setPath(String path) {
this.path = path;
}
@Override
public String toString() {
return "Food [foodid=" + foodid + ", foodname=" + foodname + ", foodtaste=" + foodtaste + ", price=" + price
+ ", describe=" + describe + ", path=" + path + "]";
}
}
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精慕门6573819
2018-10-15 12:20:00
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